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2014-05-07T19:27:01+03:00
X+y=32
y-8=x/3   aducem la acelasi numitor
3y-24=x

3y-24+y=32
4y=32+24
4y=56
y=14
x=18
1 5 1
2014-05-07T19:31:51+03:00
A+b=32
b=a/3+8
a+a/3+8=32
a+a/3=32-8
3a+a/3=24
4a=24x3
4a=72
a=72/4
a=18 litri vin
18+b=32
b=32-18
b=14 l